Q: What are the prime factors of the number 530,560?

 A: 2, 5, 829

Why are those the prime factors of the number 530,560?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 530,560

530,560
Factor Arrows
2265,280
Factor Arrows
2132,640
Factor Arrows
266,320
Factor Arrows
233,160
Factor Arrows
216,580
Factor Arrows
28,290
Factor Arrows
24,145
Factor Arrows
5829

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 5, 829

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 829 = 530,560

This can also be written as 27 x 51 x 8291 = 530,560

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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